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2015 Parameter Data: Chloride - River, Brook and Tributary Sites

Road density, highway runoff, road salting practices, as well as the proximity of salt storage facilities can affect chloride concentration in inland lakes and ponds (those away from salt water). Chloride can be a general indicator of the degree of urbanization of a watershed, with typically higher levels of chloride found in more developed areas. Chloride is measured on a part per million basis (ppm). The average person can taste the “saltiness” of water around 250 ppm of chloride, which is well above the level found in any URI Watershed Watch freshwater site. Chloride is regularly analyzed only in May samples to capture winter road salt impacts and in October to assess seasonal variation. For a second year we did see a number of sites with higher chloride values in October than in May, a departure from usual that we can't yet explain. Watershed LOCATION MAY JUNE OCT. MEAN Code RIVERS - - - - - (mg/l or ppm) - - - - - A Annaquatucket R. Belleville @ RR Xing 32 - 34 33 NA Buckeye Brook #1 @ Novelty Rd 73 - 69 71 NA Buckeye Brook #2 @ Lockwood Brk 56 - - 56 NA Buckeye Brook #5 @ Knowles/Parson Brk 96 - 52 74 NA Buckeye Brook #3 @ Warner Brook 94 - 130 112 NA Buckeye Brook #4 @ Mill Cove Tidal - Tidal - WD Falls River D - Step Stone Falls 11 - 11 11 WD Falls River C - Austin Farm Rd. 11 - 13 12 WD Falls River A - Twin Bridges 9 - 9 9 A Himes River (@ 124 Hideaway Lane) 18 - 20 19 H HW #1A - Scrabbletown Brk @ Falls 20 - 17 19 H HW #1B - Scrabbletown @ Rte 4 Bridge 20 - 17 19 H HW #4 - Davis Memorial Park 56 - 76 66 H HW #5 - Sandhill Brook (Saw Mill Inlet) 74 - 103 89 H HW #6 - Hunt River @ Forge Rd. - - 70 70 TH - Upstream 88 - 21 55 TH Moosup River A - Fairbanks 21 - 52 37 WD - Bradford 0.5m 25 - 32 29 PA near Rhodes 84 - 96 90 WD Queen River @ Sherman Brook 8 - 13 11 WD Shickasheen Brook @ Rte 2 21 - - 21 WD Shickasheen Brook @ Miskiania Road 18 - 21 20 WD Shickasheen Brook @ Barber Pond Outlet 19 - 25 22 WD Shickasheen Brook @ Rte 138 21 - - 21 WD Shickasheen Brook @ Liberty Lane 29 - 43 36 WD White Horn Brook @ Bike Trail 84 - 48 66 TE White Horn Brook @ Ministerial 64 - 41 53 WD Woonasquatucket R @ Greystone Pond 93 - 96 95 WO @ Donigian 103 - 107 105 WO Woonasquatucket R @ Waterplace Park 184 - 397 291 Limit of Detection = 1 ppm

2015 2015 Parameter Data: Chloride - River, Brook and Tributary Sites

Watershed LOCATION MAY JUNE OCT. MEAN Code TRIBUTARIES - - (mg/l or ppm) - - WD Barber - Mud Brook 29 - 28 29 WO Georgiaville - Capron Pond - 89 - 89 WO Georgiaville - Harris Brook - 97 - 97 WD NSCLA - Green Falls #2 (@ Putker) 8 - 9 9 WD NSCLA - Green Falls - Rte 184 14 - 18 16 WD NSCLA - Rte 49 23 - 32 28 A Secret - Oak Hill East 18 - 27 23 A Secret - Trib @ Shore Dr. 45 - 49 47 WO Slack's Tributary B (western cove) - - 72 72 WO Slack's Tributary C (SW cove) - - 70 70 B Smith & Sayles @ Balcom 68 - - 68 B Smith & Sayles @ Keech 28 - - 28 TA Stafford Pond - NE Cove - - 31 31 WD Watchaug - Perry Healy Brook 36 - - 36 WO Waterman @ Rte 44 (Nine Foot Brook) 17 - 15 16 WO Waterman @ Saw Mill (Cutler Brook) 51 - 90 71

Watershed LOCATION MAY JUNE OCT. MEAN Code WPWA - TRIBUTARIES - - (mg/l or ppm) - - WD @ Rte 138 26 - 41 34 WD Pawcatuck River @ Biscuit City Rd 19 - 23 21 WD Pawcatuck River below Kenyon Ind. 23 - 30 27 WD Pawcatuck River @ Burdickville Rd 26 - 32 29 WD Queen River @ Rte 102 9 - 10 10 WD Queen River @ Mail Rd 18 - 19 19 WD Glen Rock Brook 18 - 18 18 WD Usquepaugh River @ Rte 2 17 - 19 18 Limit of Detection = 1 ppm See our factsheet on Chlorides in Fresh Water to learn more about the impact of land use practices on the levels of chlorides and what you can do to protect local resources: http://cels.uri.edu/docslink/ww/water- quality-factsheets/Chlorides.pdf.

Ducks on the White Horn Brook (http://www.jimsjournal.com/jj04/100 604.html)

2015